Title:
Boring and facing head
United States Patent 2630027
US Patent References:
/0074173.html
- - 0074173

/0128240.html
- - 0128240

Boring head
- - 1463686

Boring head
- - 2093743


Inventors:
Friedrich, Wunderlich
Publication Date:
03/03/1953
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Assignee:
Elton, Barrett T.
Primary Class:
82/1.200
Other Classes:
408/176, 74/424.600, 408/175
International Classes:
B23B29/034; B23B29/00
Foreign References:
DE549904C
GB567411A